diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/vboxvideo/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/vboxvideo/vbox_drv.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/vboxvideo/vbox_drv.h | 60 | ||||
| -rw-r--r-- | drivers/gpu/drm/vboxvideo/vbox_fb.c | 22 | ||||
| -rw-r--r-- | drivers/gpu/drm/vboxvideo/vbox_main.c | 70 | ||||
| -rw-r--r-- | drivers/gpu/drm/vboxvideo/vbox_mode.c | 36 | ||||
| -rw-r--r-- | drivers/gpu/drm/vboxvideo/vbox_ttm.c | 223 |
7 files changed, 45 insertions, 372 deletions
diff --git a/drivers/gpu/drm/vboxvideo/Kconfig b/drivers/gpu/drm/vboxvideo/Kconfig index 1f4182e2e980..f8f689c55e94 100644 --- a/drivers/gpu/drm/vboxvideo/Kconfig +++ b/drivers/gpu/drm/vboxvideo/Kconfig @@ -3,6 +3,7 @@ config DRM_VBOXVIDEO depends on DRM && X86 && PCI select DRM_KMS_HELPER select DRM_TTM + select DRM_VRAM_HELPER select GENERIC_ALLOCATOR help This is a KMS driver for the virtual Graphics Card used in diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.c b/drivers/gpu/drm/vboxvideo/vbox_drv.c index fb6a0f0b8167..336a8e03e151 100644 --- a/drivers/gpu/drm/vboxvideo/vbox_drv.c +++ b/drivers/gpu/drm/vboxvideo/vbox_drv.c @@ -215,9 +215,10 @@ static struct drm_driver driver = { .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, - .gem_free_object_unlocked = vbox_gem_free_object, + .gem_free_object_unlocked = + drm_gem_vram_driver_gem_free_object_unlocked, .dumb_create = vbox_dumb_create, - .dumb_map_offset = vbox_dumb_mmap_offset, + .dumb_map_offset = drm_gem_vram_driver_dumb_mmap_offset, .prime_handle_to_fd = drm_gem_prime_handle_to_fd, .prime_fd_to_handle = drm_gem_prime_fd_to_handle, .gem_prime_export = drm_gem_prime_export, diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.h b/drivers/gpu/drm/vboxvideo/vbox_drv.h index ece31f395540..12e47392b2f9 100644 --- a/drivers/gpu/drm/vboxvideo/vbox_drv.h +++ b/drivers/gpu/drm/vboxvideo/vbox_drv.h @@ -18,6 +18,7 @@ #include <drm/drm_encoder.h> #include <drm/drm_fb_helper.h> #include <drm/drm_gem.h> +#include <drm/drm_gem_vram_helper.h> #include <drm/ttm/ttm_bo_api.h> #include <drm/ttm/ttm_bo_driver.h> @@ -96,8 +97,6 @@ struct vbox_private { #undef CURSOR_PIXEL_COUNT #undef CURSOR_DATA_SIZE -struct vbox_gem_object; - struct vbox_connector { struct drm_connector base; char name[32]; @@ -170,73 +169,16 @@ int vboxfb_create(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes); void vbox_fbdev_fini(struct vbox_private *vbox); -struct vbox_bo { - struct ttm_buffer_object bo; - struct ttm_placement placement; - struct ttm_bo_kmap_obj kmap; - struct drm_gem_object gem; - struct ttm_place placements[3]; - int pin_count; -}; - -#define gem_to_vbox_bo(gobj) container_of((gobj), struct vbox_bo, gem) - -static inline struct vbox_bo *vbox_bo(struct ttm_buffer_object *bo) -{ - return container_of(bo, struct vbox_bo, bo); -} - -#define to_vbox_obj(x) container_of(x, struct vbox_gem_object, base) - -static inline u64 vbox_bo_gpu_offset(struct vbox_bo *bo) -{ - return bo->bo.offset; -} - int vbox_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args); -void vbox_gem_free_object(struct drm_gem_object *obj); -int vbox_dumb_mmap_offset(struct drm_file *file, - struct drm_device *dev, - u32 handle, u64 *offset); - int vbox_mm_init(struct vbox_private *vbox); void vbox_mm_fini(struct vbox_private *vbox); -int vbox_bo_create(struct vbox_private *vbox, int size, int align, - u32 flags, struct vbox_bo **pvboxbo); - int vbox_gem_create(struct vbox_private *vbox, u32 size, bool iskernel, struct drm_gem_object **obj); - -int vbox_bo_pin(struct vbox_bo *bo, u32 pl_flag); -int vbox_bo_unpin(struct vbox_bo *bo); - -static inline int vbox_bo_reserve(struct vbox_bo *bo, bool no_wait) -{ - int ret; - - ret = ttm_bo_reserve(&bo->bo, true, no_wait, NULL); - if (ret) { - if (ret != -ERESTARTSYS && ret != -EBUSY) - DRM_ERROR("reserve failed %p\n", bo); - return ret; - } - return 0; -} - -static inline void vbox_bo_unreserve(struct vbox_bo *bo) -{ - ttm_bo_unreserve(&bo->bo); -} - -void vbox_ttm_placement(struct vbox_bo *bo, int domain); -int vbox_bo_push_sysram(struct vbox_bo *bo); int vbox_mmap(struct file *filp, struct vm_area_struct *vma); -void *vbox_bo_kmap(struct vbox_bo *bo); -void vbox_bo_kunmap(struct vbox_bo *bo); /* vbox_prime.c */ int vbox_gem_prime_pin(struct drm_gem_object *obj); diff --git a/drivers/gpu/drm/vboxvideo/vbox_fb.c b/drivers/gpu/drm/vboxvideo/vbox_fb.c index b724fe7c0c30..8f74bcffc034 100644 --- a/drivers/gpu/drm/vboxvideo/vbox_fb.c +++ b/drivers/gpu/drm/vboxvideo/vbox_fb.c @@ -51,9 +51,9 @@ int vboxfb_create(struct drm_fb_helper *helper, struct drm_framebuffer *fb; struct fb_info *info; struct drm_gem_object *gobj; - struct vbox_bo *bo; + struct drm_gem_vram_object *gbo; int size, ret; - u64 gpu_addr; + s64 gpu_addr; u32 pitch; mode_cmd.width = sizes->surface_width; @@ -75,9 +75,9 @@ int vboxfb_create(struct drm_fb_helper *helper, if (ret) return ret; - bo = gem_to_vbox_bo(gobj); + gbo = drm_gem_vram_of_gem(gobj); - ret = vbox_bo_pin(bo, TTM_PL_FLAG_VRAM); + ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM); if (ret) return ret; @@ -86,7 +86,7 @@ int vboxfb_create(struct drm_fb_helper *helper, return PTR_ERR(info); info->screen_size = size; - info->screen_base = (char __iomem *)vbox_bo_kmap(bo); + info->screen_base = (char __iomem *)drm_gem_vram_kmap(gbo, true, NULL); if (IS_ERR(info->screen_base)) return PTR_ERR(info->screen_base); @@ -104,7 +104,9 @@ int vboxfb_create(struct drm_fb_helper *helper, drm_fb_helper_fill_info(info, helper, sizes); - gpu_addr = vbox_bo_gpu_offset(bo); + gpu_addr = drm_gem_vram_offset(gbo); + if (gpu_addr < 0) + return (int)gpu_addr; info->fix.smem_start = info->apertures->ranges[0].base + gpu_addr; info->fix.smem_len = vbox->available_vram_size - gpu_addr; @@ -132,12 +134,10 @@ void vbox_fbdev_fini(struct vbox_private *vbox) drm_fb_helper_unregister_fbi(&vbox->fb_helper); if (afb->obj) { - struct vbox_bo *bo = gem_to_vbox_bo(afb->obj); + struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(afb->obj); - vbox_bo_kunmap(bo); - - if (bo->pin_count) - vbox_bo_unpin(bo); + drm_gem_vram_kunmap(gbo); + drm_gem_vram_unpin(gbo); drm_gem_object_put_unlocked(afb->obj); afb->obj = NULL; diff --git a/drivers/gpu/drm/vboxvideo/vbox_main.c b/drivers/gpu/drm/vboxvideo/vbox_main.c index f4d02de5518a..525e9fd63f4d 100644 --- a/drivers/gpu/drm/vboxvideo/vbox_main.c +++ b/drivers/gpu/drm/vboxvideo/vbox_main.c @@ -274,7 +274,7 @@ void vbox_hw_fini(struct vbox_private *vbox) int vbox_gem_create(struct vbox_private *vbox, u32 size, bool iskernel, struct drm_gem_object **obj) { - struct vbox_bo *vboxbo; + struct drm_gem_vram_object *gbo; int ret; *obj = NULL; @@ -283,14 +283,15 @@ int vbox_gem_create(struct vbox_private *vbox, if (size == 0) return -EINVAL; - ret = vbox_bo_create(vbox, size, 0, 0, &vboxbo); - if (ret) { + gbo = drm_gem_vram_create(&vbox->ddev, &vbox->ttm.bdev, size, 0, false); + if (IS_ERR(gbo)) { + ret = PTR_ERR(gbo); if (ret != -ERESTARTSYS) DRM_ERROR("failed to allocate GEM object\n"); return ret; } - *obj = &vboxbo->gem; + *obj = &gbo->gem; return 0; } @@ -298,64 +299,9 @@ int vbox_gem_create(struct vbox_private *vbox, int vbox_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args) { - struct vbox_private *vbox = - container_of(dev, struct vbox_private, ddev); - struct drm_gem_object *gobj; - u32 handle; - int ret; - - args->pitch = args->width * ((args->bpp + 7) / 8); - args->size = args->pitch * args->height; - - ret = vbox_gem_create(vbox, args->size, false, &gobj); - if (ret) - return ret; - - ret = drm_gem_handle_create(file, gobj, &handle); - drm_gem_object_put_unlocked(gobj); - if (ret) - return ret; + struct vbox_private *vbox = dev->dev_private; - args->handle = handle; - - return 0; -} - -void vbox_gem_free_object(struct drm_gem_object *obj) -{ - struct vbox_bo *vbox_bo = gem_to_vbox_bo(obj); + return drm_gem_vram_fill_create_dumb(file, dev, &vbox->ttm.bdev, 0, + false, args); - ttm_bo_put(&vbox_bo->bo); -} - -static inline u64 vbox_bo_mmap_offset(struct vbox_bo *bo) -{ - return drm_vma_node_offset_addr(&bo->bo.vma_node); -} - -int -vbox_dumb_mmap_offset(struct drm_file *file, - struct drm_device *dev, - u32 handle, u64 *offset) -{ - struct drm_gem_object *obj; - int ret; - struct vbox_bo *bo; - - mutex_lock(&dev->struct_mutex); - obj = drm_gem_object_lookup(file, handle); - if (!obj) { - ret = -ENOENT; - goto out_unlock; - } - - bo = gem_to_vbox_bo(obj); - *offset = vbox_bo_mmap_offset(bo); - - drm_gem_object_put(obj); - ret = 0; - -out_unlock: - mutex_unlock(&dev->struct_mutex); - return ret; } diff --git a/drivers/gpu/drm/vboxvideo/vbox_mode.c b/drivers/gpu/drm/vboxvideo/vbox_mode.c index 620a6e38f71f..9432c3ceec7c 100644 --- a/drivers/gpu/drm/vboxvideo/vbox_mode.c +++ b/drivers/gpu/drm/vboxvideo/vbox_mode.c @@ -173,7 +173,8 @@ static void vbox_crtc_set_base_and_mode(struct drm_crtc *crtc, struct drm_framebuffer *fb, int x, int y) { - struct vbox_bo *bo = gem_to_vbox_bo(to_vbox_framebuffer(fb)->obj); + struct drm_gem_vram_object *gbo = + drm_gem_vram_of_gem(to_vbox_framebuffer(fb)->obj); struct vbox_private *vbox = crtc->dev->dev_private; struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); bool needs_modeset = drm_atomic_crtc_needs_modeset(crtc->state); @@ -187,7 +188,7 @@ static void vbox_crtc_set_base_and_mode(struct drm_crtc *crtc, vbox_crtc->x = x; vbox_crtc->y = y; - vbox_crtc->fb_offset = vbox_bo_gpu_offset(bo); + vbox_crtc->fb_offset = drm_gem_vram_offset(gbo); /* vbox_do_modeset() checks vbox->single_framebuffer so update it now */ if (needs_modeset && vbox_set_up_input_mapping(vbox)) { @@ -303,14 +304,14 @@ static void vbox_primary_atomic_disable(struct drm_plane *plane, static int vbox_primary_prepare_fb(struct drm_plane *plane, struct drm_plane_state *new_state) { - struct vbox_bo *bo; + struct drm_gem_vram_object *gbo; int ret; if (!new_state->fb) return 0; - bo = gem_to_vbox_bo(to_vbox_framebuffer(new_state->fb)->obj); - ret = vbox_bo_pin(bo, TTM_PL_FLAG_VRAM); + gbo = drm_gem_vram_of_gem(to_vbox_framebuffer(new_state->fb)->obj); + ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM); if (ret) DRM_WARN("Error %d pinning new fb, out of video mem?\n", ret); @@ -320,13 +321,13 @@ static int vbox_primary_prepare_fb(struct drm_plane *plane, static void vbox_primary_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state) { - struct vbox_bo *bo; + struct drm_gem_vram_object *gbo; if (!old_state->fb) return; - bo = gem_to_vbox_bo(to_vbox_framebuffer(old_state->fb)->obj); - vbox_bo_unpin(bo); + gbo = drm_gem_vram_of_gem(to_vbox_framebuffer(old_state->fb)->obj); + drm_gem_vram_unpin(gbo); } static int vbox_cursor_atomic_check(struct drm_plane *plane, @@ -386,7 +387,8 @@ static void vbox_cursor_atomic_update(struct drm_plane *plane, container_of(plane->dev, struct vbox_private, ddev); struct vbox_crtc *vbox_crtc = to_vbox_crtc(plane->state->crtc); struct drm_framebuffer *fb = plane->state->fb; - struct vbox_bo *bo = gem_to_vbox_bo(to_vbox_framebuffer(fb)->obj); + struct drm_gem_vram_object *gbo = + drm_gem_vram_of_gem(to_vbox_framebuffer(fb)->obj); u32 width = plane->state->crtc_w; u32 height = plane->state->crtc_h; size_t data_size, mask_size; @@ -405,7 +407,7 @@ static void vbox_cursor_atomic_update(struct drm_plane *plane, vbox_crtc->cursor_enabled = true; /* pinning is done in prepare/cleanup framebuffer */ - src = vbox_bo_kmap(bo); + src = drm_gem_vram_kmap(gbo, true, NULL); if (IS_ERR(src)) { mutex_unlock(&vbox->hw_mutex); DRM_WARN("Could not kmap cursor bo, skipping update\n"); @@ -421,7 +423,7 @@ static void vbox_cursor_atomic_update(struct drm_plane *plane, data_size = width * height * 4 + mask_size; copy_cursor_image(src, vbox->cursor_data, width, height, mask_size); - vbox_bo_kunmap(bo); + drm_gem_vram_kunmap(gbo); flags = VBOX_MOUSE_POINTER_VISIBLE | VBOX_MOUSE_POINTER_SHAPE | VBOX_MOUSE_POINTER_ALPHA; @@ -461,25 +463,25 @@ static void vbox_cursor_atomic_disable(struct drm_plane *plane, static int vbox_cursor_prepare_fb(struct drm_plane *plane, struct drm_plane_state *new_state) { - struct vbox_bo *bo; + struct drm_gem_vram_object *gbo; if (!new_state->fb) return 0; - bo = gem_to_vbox_bo(to_vbox_framebuffer(new_state->fb)->obj); - return vbox_bo_pin(bo, TTM_PL_FLAG_SYSTEM); + gbo = drm_gem_vram_of_gem(to_vbox_framebuffer(new_state->fb)->obj); + return drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_SYSTEM); } static void vbox_cursor_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state) { - struct vbox_bo *bo; + struct drm_gem_vram_object *gbo; if (!plane->state->fb) return; - bo = gem_to_vbox_bo(to_vbox_framebuffer(plane->state->fb)->obj); - vbox_bo_unpin(bo); + gbo = drm_gem_vram_of_gem(to_vbox_framebuffer(plane->state->fb)->obj); + drm_gem_vram_unpin(gbo); } static const u32 vbox_cursor_plane_formats[] = { diff --git a/drivers/gpu/drm/vboxvideo/vbox_ttm.c b/drivers/gpu/drm/vboxvideo/vbox_ttm.c index 9d78438c2877..0989d656eed6 100644 --- a/drivers/gpu/drm/vboxvideo/vbox_ttm.c +++ b/drivers/gpu/drm/vboxvideo/vbox_ttm.c @@ -16,24 +16,6 @@ static inline struct vbox_private *vbox_bdev(struct ttm_bo_device *bd) return container_of(bd, struct vbox_private, ttm.bdev); } -static void vbox_bo_ttm_destroy(struct ttm_buffer_object *tbo) -{ - struct vbox_bo *bo; - - bo = container_of(tbo, struct vbox_bo, bo); - - drm_gem_object_release(&bo->gem); - kfree(bo); -} - -static bool vbox_ttm_bo_is_vbox_bo(struct ttm_buffer_object *bo) -{ - if (bo->destroy == &vbox_bo_ttm_destroy) - return true; - - return false; -} - static int vbox_bo_init_mem_type(struct ttm_bo_device *bdev, u32 type, struct ttm_mem_type_manager *man) @@ -58,24 +40,6 @@ vbox_bo_init_mem_type(struct ttm_bo_device *bdev, u32 type, return 0; } -static void -vbox_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl) -{ - struct vbox_bo *vboxbo = vbox_bo(bo); - - if (!vbox_ttm_bo_is_vbox_bo(bo)) - return; - - vbox_ttm_placement(vboxbo, TTM_PL_FLAG_SYSTEM); - *pl = vboxbo->placement; -} - -static int vbox_bo_verify_access(struct ttm_buffer_object *bo, - struct file *filp) -{ - return 0; -} - static int vbox_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) { @@ -141,8 +105,8 @@ static struct ttm_bo_driver vbox_bo_driver = { .ttm_tt_create = vbox_ttm_tt_create, .init_mem_type = vbox_bo_init_mem_type, .eviction_valuable = ttm_bo_eviction_valuable, - .evict_flags = vbox_bo_evict_flags, - .verify_access = vbox_bo_verify_access, + .evict_flags = drm_gem_vram_bo_driver_evict_flags, + .verify_access = drm_gem_vram_bo_driver_verify_access, .io_mem_reserve = &vbox_ttm_io_mem_reserve, .io_mem_free = &vbox_ttm_io_mem_free, }; @@ -196,165 +160,6 @@ void vbox_mm_fini(struct vbox_private *vbox) ttm_bo_device_release(&vbox->ttm.bdev); } -void vbox_ttm_placement(struct vbox_bo *bo, int domain) -{ - unsigned int i; - u32 c = 0; - - bo->placement.placement = bo->placements; - bo->placement.busy_placement = bo->placements; - - if (domain & TTM_PL_FLAG_VRAM) - bo->placements[c++].flags = - TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_VRAM; - if (domain & TTM_PL_FLAG_SYSTEM) - bo->placements[c++].flags = - TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM; - if (!c) - bo->placements[c++].flags = - TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM; - - bo->placement.num_placement = c; - bo->placement.num_busy_placement = c; - - for (i = 0; i < c; ++i) { - bo->placements[i].fpfn = 0; - bo->placements[i].lpfn = 0; - } -} - -int vbox_bo_create(struct vbox_private *vbox, int size, int align, - u32 flags, struct vbox_bo **pvboxbo) -{ - struct vbox_bo *vboxbo; - size_t acc_size; - int ret; - - vboxbo = kzalloc(sizeof(*vboxbo), GFP_KERNEL); - if (!vboxbo) - return -ENOMEM; - - ret = drm_gem_object_init(&vbox->ddev, &vboxbo->gem, size); - if (ret) - goto err_free_vboxbo; - - vboxbo->bo.bdev = &vbox->ttm.bdev; - - vbox_ttm_placement(vboxbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM); - - acc_size = ttm_bo_dma_acc_size(&vbox->ttm.bdev, size, - sizeof(struct vbox_bo)); - - ret = ttm_bo_init(&vbox->ttm.bdev, &vboxbo->bo, size, - ttm_bo_type_device, &vboxbo->placement, - align >> PAGE_SHIFT, false, acc_size, - NULL, NULL, vbox_bo_ttm_destroy); - if (ret) - goto err_free_vboxbo; - - *pvboxbo = vboxbo; - - return 0; - -err_free_vboxbo: - kfree(vboxbo); - return ret; -} - -int vbox_bo_pin(struct vbox_bo *bo, u32 pl_flag) -{ - struct ttm_operation_ctx ctx = { false, false }; - int i, ret; - - if (bo->pin_count) { - bo->pin_count++; - return 0; - } - - ret = vbox_bo_reserve(bo, false); - if (ret) - return ret; - - vbox_ttm_placement(bo, pl_flag); - - for (i = 0; i < bo->placement.num_placement; i++) - bo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT; - - ret = ttm_bo_validate(&bo->bo, &bo->placement, &ctx); - if (ret == 0) - bo->pin_count = 1; - - vbox_bo_unreserve(bo); - - return ret; -} - -int vbox_bo_unpin(struct vbox_bo *bo) -{ - struct ttm_operation_ctx ctx = { false, false }; - int i, ret; - - if (!bo->pin_count) { - DRM_ERROR("unpin bad %p\n", bo); - return 0; - } - bo->pin_count--; - if (bo->pin_count) - return 0; - - ret = vbox_bo_reserve(bo, false); - if (ret) { - DRM_ERROR("Error %d reserving bo, leaving it pinned\n", ret); - return ret; - } - - for (i = 0; i < bo->placement.num_placement; i++) - bo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT; - - ret = ttm_bo_validate(&bo->bo, &bo->placement, &ctx); - - vbox_bo_unreserve(bo); - - return ret; -} - -/* - * Move a vbox-owned buffer object to system memory if no one else has it - * pinned. The caller must have pinned it previously, and this call will - * release the caller's pin. - */ -int vbox_bo_push_sysram(struct vbox_bo *bo) -{ - struct ttm_operation_ctx ctx = { false, false }; - int i, ret; - - if (!bo->pin_count) { - DRM_ERROR("unpin bad %p\n", bo); - return 0; - } - bo->pin_count--; - if (bo->pin_count) - return 0; - - if (bo->kmap.virtual) { - ttm_bo_kunmap(&bo->kmap); - bo->kmap.virtual = NULL; - } - - vbox_ttm_placement(bo, TTM_PL_FLAG_SYSTEM); - - for (i = 0; i < bo->placement.num_placement; i++) - bo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT; - - ret = ttm_bo_validate(&bo->bo, &bo->placement, &ctx); - if (ret) { - DRM_ERROR("pushing to VRAM failed\n"); - return ret; - } - - return 0; -} - int vbox_mmap(struct file *filp, struct vm_area_struct *vma) { struct drm_file *file_priv = filp->private_data; @@ -362,27 +167,3 @@ int vbox_mmap(struct file *filp, struct vm_area_struct *vma) return ttm_bo_mmap(filp, vma, &vbox->ttm.bdev); } - -void *vbox_bo_kmap(struct vbox_bo *bo) -{ - int ret; - - if (bo->kmap.virtual) - return bo->kmap.virtual; - - ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap); - if (ret) { - DRM_ERROR("Error kmapping bo: %d\n", ret); - return NULL; - } - - return bo->kmap.virtual; -} - -void vbox_bo_kunmap(struct vbox_bo *bo) -{ - if (bo->kmap.virtual) { - ttm_bo_kunmap(&bo->kmap); - bo->kmap.virtual = NULL; - } -} |